WELL · 42-353-30781 · DISTRICT 7

McLaughlin #4

Plugged

Nolan County · JMM (Canyon) field  · Vertical

Mclaughlin #4 (API 42-353-30781) is a plugged well in Nolan County, plugged December 13, 1988, last operated by Katsco Energy Inc..

The RRC has issued one drilling permit, issued June 11, 1979, permitted to 6,000 ft.

It was permitted by Fisher-Webb, Inc. and has since transferred to Katsco Energy Inc. on the wellbore schedule.

Completion filings report 3 formation tops, including Base Coleman Jct, Cisco, Canyon.

Operator of record

Katsco Energy Inc.

Permitted by Fisher-Webb, Inc.; the EWA schedule now lists a different operator.

Round Rock, TX · P-5 Y, filed Sep 4, 2025 · 11 permits on file · (512) 415-4327

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleKatsco Energy Inc.
Production reportsnone
Latest permitFisher-Webb, Inc.Jun 11, 1979

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

6,000
total depth, ft
1
permits on file
Jun 11, 1979
last permit issued
Aug 16, 1979
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 16, 1979
Shut in
—
Plugged
Dec 13, 1988

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
50488-99DrillFisher-Webb, Inc.Jun 11, 1979Jun 11, 1979Jul 5, 19796,000

Formation tops

As filed on W-2/G-1. Subsea from 2,346 ft elevation.Download CSV →

FormationMD ftSubsea
Base Coleman JCT3,650-1,304
CiscoBASE CISCO LIME4,920-2,574
CanyonCANYON SANDS5,660-3,314

Perforations

Perforated and open-hole intervals.

FromToType
5,6665,676Perforated
5,7695,890Perforated
5,7705,776Perforated
5,7885,793Perforated
5,8825,888Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62533211200 S
8.62533211.25550 S
2.3755,750——
4.56,0507.875600 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Feb 27, 1985Jan 3, 1985—
00Feb 7, 1985Dec 19, 1984—
00Jan 12, 1984Aug 17, 1979—

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/35330781, documented in the API reference.